Halloween printables idea is Cards. Printable cards and even stationary are actually the perfect way for goblins and ghost to share a special greeting with relatives and friends.
Did you ever look for a simple calendar online, one you could download or copy, and finally decide that no such thing existed? If you do a search for "free calendar" or "printable calendar" you will see hundreds of sites but it may be difficult to find just what you want. However, there ARE many free generic calendars on line and knowing how to look may help zero in on what you want.